临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临床临
Daniel Arturo Jiménez Franco1,2, Camilo Andrés Pérez Velásquez1,2, David Rene Rodríguez Lima2,3
1Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá 111221, Colombia.
Journal of clinical medicine
|March 27, 2025
概括
与自由主义策略相比,严格限制性红细胞 (RBC) 输血策略对重症患者的30天死亡率没有显著差异. 需要进一步的研究来确认临床意义,尽管限制性地使用的红细胞单位较少.
科学领域:
- 关键护理医学 关键护理医学
- 血液学 血液学 血液学
- 基于证据的医学基于证据的医学.
背景情况:
- 贫血在重症患者中很普遍,红细胞 (RBC) 输血实践因不一致的结果和潜在风险而引起争论.
- 目前的指导方针各不相同,有些人主张限制性输血门 (例如,7 g/dL) 而不是自由的 (例如,9 g/dL).
研究的目的:
- 系统地审查和分析随机对照试验,比较严格和自由的红细胞输血策略在严重病情的成年人.
- 评估不同输血值对死亡率和其他临床结果的影响.
主要方法:
- 系统审查和元分析遵循PRISMA指南,搜索PubMed,EMBASE和LILACS (1995年1月至2024年10月).
- 包括13个随机对照试验,其中包括13,705名重病成年人.
- 使用Cochrane风险偏差工具评估偏差风险2;通过随机效应模型估计的聚合效应;在PROSPERO.中注册的协议.
主要成果:
- 限制性和自由的红细胞输血策略之间30天死亡率没有统计学上显著的差异 (OR1.02;95% CI,0.83-1.25)).
- 对于90天/180天死亡率,住院/ICU长度,透析和ARDS发病率的类似非显著发现.
- 限制性策略导致输血的红细胞单位显著减少;试验序列分析表明证据不足以证实或排除对30天死亡率的影响.
结论:
- 分析发现,在重症患者中,限制性和自由的输血策略之间,短期死亡率没有统计学上显著的差异.
- 需要进行更大规模的临床试验,以确定该人群的临床意义上的结果差异.
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